Note 13 - Net Loss per Share - Securities Excluded from Computation of Earnings per Share (Details) - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Antidilutive securities (in shares) | 54,766,813 | 66,147,799 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive securities (in shares) | 12,353,542 | 9,956,444 |
| Restricted Stock [Member] | ||
| Antidilutive securities (in shares) | 12,295,240 | 6,584,240 |
| Abeyance Shares [Member] | ||
| Antidilutive securities (in shares) | 13,294,267 | 0 |
| Preferred Stock [Member] | ||
| Antidilutive securities (in shares) | 16,823,764 | 49,607,115 |